package cn.tedu.boot13.controller;

import cn.tedu.boot13.entity.User;
import cn.tedu.boot13.utils.DBUtils;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

@Controller
public class UserController {
    @RequestMapping("/reg")
    @ResponseBody
    public String reg(User user) {
        System.out.println("user = " + user);
        //获取数据库连接
        try (
                Connection conn = DBUtils.getConn()) {
            String sql = "insert into user values(null,?,?,?,?)";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1, user.getUsername());
            ps.setString(2, user.getPassword());
            ps.setString(3, user.getNick());
            ps.setInt(4, user.getAge());

            ps.executeUpdate();
        } catch (SQLException throwables) {
            throwables.printStackTrace();
        }
        return "注册成功!";
    }

    @RequestMapping("/login")
    @ResponseBody
    public String login(User user) {
        System.out.println("user = " + user);
        try (
                Connection conn = DBUtils.getConn()) {
            String sql = "select password from user where username=?";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1, user.getUsername());
            ResultSet rs = ps.executeQuery();

            if (rs.next()) {
                String password = rs.getString(1);
                if (password.equals(user.getPassword())){
                    return "登陆成功!";
                }else {
                    return "密码错误!";
                }
            }
        } catch (SQLException throwables) {
            throwables.printStackTrace();
        }
        return "用户名不存在!";
        
    }
}
